Package systole.processor.correlation

Source Code of systole.processor.correlation.CorrelationByResult

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package systole.processor.correlation;

import java.math.BigDecimal;
import systole.domain.analysis.results.AnalysisResult;
import systole.domain.analysis.results.ParameterAOD;
import systole.domain.analysis.results.ParameterAOS;
import systole.domain.analysis.results.ParameterIAR;
import systole.domain.signals.FinalSignal;
import systole.domain.signals.Segment;
import systole.math.MathUtils;
import systole.math.SimpleDerivative;
import systole.processor.SignalAnalyzer;
import systole.processor.SignalProcessor;

/**
*
* @author jmj
*/
public class CorrelationByResult extends Correlation {

    private AnalysisResult patternAnalysis;
    private int ceofAOD = 5;
    private int coefAOS = 3;
    private int coefIAR = 2;
    private int amount = coefIAR + coefAOS + ceofAOD;

    /**
     *
     * @param segment
     */
    public CorrelationByResult(Segment segment) {
        super(segment);
        SignalProcessor processor = new SignalProcessor();
        FinalSignal finalSignal = processor.calcDerivatives(segment, new SimpleDerivative());
        SignalAnalyzer analyzer = new SignalAnalyzer(BigDecimal.ONE, finalSignal, 0);
        this.patternAnalysis = analyzer.calculateParameters();
    }

    /**
     * @param segment
     * @return correlation of segment
     */
    public BigDecimal correlate(Segment segment) {

        BigDecimal aod = this.correlationByAOD(segment);
        BigDecimal aos = this.correlationByAOS(segment);
        BigDecimal iar = this.correlationByIAR(segment);

        BigDecimal totalCorrelation = ((aod.multiply(new BigDecimal(this.ceofAOD))).add(aos.multiply(new BigDecimal(this.coefAOS)).add(iar))).divide(new BigDecimal(amount), MathUtils.CONTEXT);

        return totalCorrelation;
    }

    protected BigDecimal correlationByAOD(Segment segment) {
        ParameterAOD aod = this.patternAnalysis.getAod();

        // tomo los puntos de AOD
        int initOfAOD = aod.getInitPos().getxCoord().intValue();
        int endOfAOD = aod.getEndPos().getxCoord().intValue();

        // desplazo el inicio 10 pts atras para tener mas puntos en cuenta
        initOfAOD -= 10;
        // desplazo el fin 10 pts para tener mas puntos en cuenta
        endOfAOD += 10;
        // calculo la correlación de esa sección
        return this.correlate(segment, initOfAOD, endOfAOD);
        //return (cor.isNaN() ? 0 : cor.doubleValue());
    }

    protected BigDecimal correlationByIAR(Segment segment) {
        ParameterIAR iar = this.patternAnalysis.getIar();

        // tomo los puntos de IAR
        int initOfIAR = iar.getInitPos().getxCoord().intValue();
        int endOfIAR = iar.getEndPos().getxCoord().intValue();

        // desplazo el inicio 10 pts atras para tener mas puntos en cuenta
        initOfIAR -= 15;
        // desplazo el fin 10 pts para tener mas puntos en cuenta
        endOfIAR += 15;
        // calculo la correlación de esa sección
        return this.correlate(segment, initOfIAR, endOfIAR);
        //return (cor.isNaN() ? 0 : cor.doubleValue());
    }

    protected BigDecimal correlationByAOS(Segment segment) {

        ParameterAOS aos = this.patternAnalysis.getAos();

        // tomo los puntos de AOS
        int initOfIAR = aos.getInitPos().getxCoord().intValue();
        int endOfIAR = aos.getEndPos().getxCoord().intValue();

        // calculo la correlación de esa sección
        return this.correlate(segment, initOfIAR, endOfIAR);

        //return (cor.isNaN() ? 0 : cor.doubleValue());
    }
}
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